| READ BELOW IV2 |
||||
| 6CQB |
XX | XX | 6GU7 | 6JH8 |
| 6CY5 | 8JU8A | 6EW6 | 6GX6 | 6HS8 |
| 6AS5 | 6FH8 | 6CY7 | 6GY6 | 6JH6 |
| 6DT8 | 6AV6 | 12CU5/12C5 | 6GY6 | 12BY7A/12BY7 |
| 6BK7B | 6AW8A | 6CF6 | 6HF8 | XX |
| 6KE8 | 6EH8 | 6BN6 | 6CM6 | 6DR7 |
| 6DT6A | 6AV6 | 6EB8 | 6GF7 | GY9/EFL200 |
| 12FX5 | 6S4A | 6ET7 | 4GM6 | 6GV8/ELC85 |
| 6HM6 | 8KA8 | 8AW8A | 6DJ8/ECC88 |
6CX8 |
| 6GK5/6FQ5A | 6BZ6 | 6EH5 | 6LC8 | 6LE8 |
| 6S4A | 6EW6 | 12AV7 | 6HZ6 | 6LF8 |
| 6BA6 | 6EM5 | 6DJ8/ECC88 | 6LQ8 | 6EW6 |